Identify common weeds

Wild-oat is an introduced annual grass weed of arable, waste and rough ground.

Wall barley is an annual grass common in central, southern and eastern England, and scattered elsewhere. It is found on waste and rough ground and barish patches in rough grassland.

Soft brome is a tufted annual, sometimes biennial grass native in waste places, meadows and on dunes.

Black-grass is a native annual grass weed that occurs throughout the UK but is found mainly in the cereal growing areas of southern and eastern England.

Barren brome is a winter, rarely summer, annual grass, native in rough and waste ground, in hedgerows and by roadsides. It is a weed of arable land and gardens.

Yorkshire fog is a tufted, perennial grass, native on rough grassland, lawns, arable land, waste ground and in open woods. It is generally distributed in the UK and often abundant.

Rough meadow-grass occurs as both an annual and perennial grass with procumbent tillers some of which become leafy stolons.

Perennial rye-grass is a tufted, fibrous rooted perennial grass that is generally regarded as native and is common throughout Britain.

Onion couch is a tall perennial grass that occurs throughout the UK both as an arable weed and as a component of semi-natural grassland.

Creeping soft-grass is a rhizomatous perennial grass native in woods and hedgerows. It is favoured by conditions in woodland clearings and at the early stages of coppicing.